32 PAMPHA.GU8. 



PamphaguS mutabilis. SYN. : Corycie, Duj. ; P. mutabilis, 

 Bailey ; Corycia Dujardini, Gagliardi ; Plagiophrys sctitiformis, H. and L. 



Animal compressed ovoid, ovate or subpyriform ; 

 lateral borders extending to the fundus acute ; fundus in 

 the greater breadth obtusely rounded, more or less acute 

 or even acuminate ; mouth small, transversely oval, with 

 a thickened border. Barcode pale, granular, colorless or 

 yellowish. Food usually one-celled algae. Animal in 

 movement upright, mouth downward, pseudopods diver- 

 gent and spreading. Length 40// to 100;^ ; greater 

 breadth, 2S/./ to 68^. 



Hob. Ooze of springs and ponds, and sphagnous 

 ponds. 



PamphaguS hyalinUS. SYN. : Arcella hyalina, A. Homao- 

 chlamys hyalina, Ehr. ; Gromia hyalina, Schlum. ; Difflugia tncAefys, 

 Schneider ; Lecytheum hyalinttm, H. and L., Archer. 



Animal spheroidal and slightly produced at the lower 

 pole into a short, broad neck, terminating in a circular 

 mouth. Shell membranous, transparent, colorless, struc- 

 tureless and elastic. Pseudopods filamentous and fur- 

 cate. From 32/* in diameter to 48/* in length, and 44^ in 

 breadth. 



Hob. Superficial ooze of ponds, ditches and lakes. 



Pamphayus curvus. 



Animal retort-shaped or ovoid, with the prolonged 

 narrower pole curved, and with the body in transverse 

 section circular. Mouth inferior, terminal, circular. 

 Shell colorless or pale yellowish, structureless. Nucleus 

 and pseudopods as in P. mutabilis. From 4A/u in length 

 by 28//, to 60^ by 36//. 



